libc/glibc: remove dead code

The option to retrieve snapshots is already handled by
the generic 'specific date' and 'use latest' entries.
No need for a special case, as there's no code for it.

config/libc/glibc.in

@@ -128,14 +128,4 @@ config LIBC_GLIBC_CVS_date
 
 endif #  LIBC_GLIBC_CVS
 
-#config LIBC_GLIBC_SNAPSHOT
-#    bool
-#    prompt "Use latest nightly snapshot"
-#    help
-#      See the help for the entry "Released tarball", above.
-#      
-#      If you can live with a moving code-base, say 'Y' here.
-#      If you want your toolchain to really be reproducible, look at the
-#      choice entry "Released tarball from FTP", above.
-
 endchoice

scripts/build/libc/glibc.sh

@@ -47,8 +47,6 @@ do_libc_get() {
                       "glibc-${version}-branch${date:+:}${date}"        \
                       "glibc-${addon}-cvs-${CT_LIBC_VERSION}"
         done
-#    elif [ "${CT_LIBC_GLIBC_SNAPSHOT}" = "y" ]; then
-#        : # Not yet handled...
     fi
 
     return 0